Which of the following is a buyer's agent's task or duty?

Representing the buyer's interests

Explanation:

Buyer's agents a person or a group which is hired to bid on a certain assets on behalf of the buyer. People usually use buyer's agent on expensive purchase such as properties, expensive antique, etc.

Buyer's agents are tied by an ethical code that they have to find the assets on the best price possible for the customers, without compromising the quality of the asset itself.